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ESM 12V

Provides high power for hundreds of thousands of starts.

Ultracapacitor technology provides high amounts of burst power that is ideally suited for cranking and starting large diesel engines. Additionally, ultracapacitors have a long service life and perform well at cold temperatures. In comparison, lead-acid battery technology has not been able to keep up with the growing energy demands of the trucking industry, with particular difficulty in starting the engine after periods of powering energy-hungry accessories such as sleeper loads and lift-gates.

In December 2011, Maxwell recognized the need for a source of power dedicated to starting diesel truck engines and introduced the ultracapacitor-based Engine Start Module (ESM). Success soon followed. Presently, there are over 2,000 ESMs installed in medium and heavy duty trucks in North America, eliminating jump-starts and reducing idling, resulting in lower total cost of operation. Trucks are on the road and on schedule.

MODELS

Ultra 31/1800 (For heavy duty (Class 7 – 8) trucks

Ultra 31/1900 (For medium duty (Class 3 – 6) trucks

FEATURES & BENEFITS

Replaces one Group 31 battery

No lead. No acid.

Improves overall system power performance

Shock & vibration resistant

Built-in overcharge protection

Low total cost of ownership

Cold weather reliability down to -40 °F (-40 °C)

Faster cranking

Industry standard BCI Group 31 form factor

Recharges fully in less than 15 minutes (Initial charge is 30 minutes or less)